Home / 42,303.87-63,389.05-15,613.13

Finding the Fourth Proportional to 42,303.87, 63,389.05 and 15,613.13

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Solution

The fourth proportional to 42,303.87, 63,389.05 and 15,613.13 is: 23,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303.87 : 63,389.05 = 15,613.13 : x
  2. Step 2: Convert to fraction form
    42,303.87/63,389.05 = 15,613.13/x
  3. Step 3: Cross multiply
    42,303.87x = 63,389.05 × 15,613.13
  4. Step 4: Simplify right side
    42,303.87x = 989,701,685.49
  5. Step 5: Solve for x
    x = 989,701,685.49/42,303.87
  6. Step 6: Final answer
    x = 23,395.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.